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Preliminary Configuration Design of a Modular Weapon with Canard Controls.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
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A geometric configuration design for a guided modular weapon with an 800-lb warhead and canard controls was developed, based on preliminary computation of aerodynamic data. The applicable stability derivatives for forty-five variations of canard and tail wing size were computed and the subsonic longitudinal stability and control characteristics were evaluated. The primary criteria considered in the evaluation were maneuver load factor capability and perturbed dynamic response, with constraints on static margin, control deflection, and trimmed angle of attack. The sensitivity to weight and center of gravity variations and the time response to control deflection inputs were also evaluated to arrive at a suitable configuration design. Maneuver load factor capability greater than 1.5 gs with a controls fixed static margin exceeding 1.5 calibers appears feasible for the preliminary design. The maneuver capability can be achieved with both maximum trimmed angle of attack and maximum control deflection less than 10 degrees. Author
APPROVED FOR PUBLIC RELEASE